A circular disc is rotating about a central axis perpendicular to its – McqOptions

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1.	A circular disc is rotating about a central axis perpendicular to its diameter with a speed of 5rad/s. If a constant force of 2N is applied tangentially on it, in how much time will it come to a stop? Radius of disc = 1m & mass = 1kg.
A.	0.257s
B.	5s
C.	1.25s
D.	2.5s
Answer» D. 2.5s

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